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| 1.
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Imamura, S. ; Kobayashi, Junji ; Sakasegawa, S. ; Nohara, Atsushi ; Nakajima, Kenichi ; Kawashiri, Masa-aki ; Inazu, Akihiro ; Yamagishi, Masakazu ; Koizumi, Junji ; Mabuchi, Hiroshi ; 小林, 淳二 ; 野原, 淳 ; 中嶋, 憲一 ; 川尻, 剛照 ; 稲津, 明広 ; 山岸, 正和 ; 小泉, 順二 ; 馬渕, 宏
概要:
金沢大学医薬保健研究域医学系<br />The objective of this study was to establish a hepatic lipase (HL) assay method that can be applied
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to automatic clinical analyzers. Seventy-four hyperlipidemic subjects (men/women 45/29) were recruited. Lipase activity was assayed measuring the increase in absorbance at 546 nm due to quinonediimine dye production. Reaction mixture R-1 contained 50 mM Tris-HCl (pH 9.5), 0.5 mM glycerol-1,2-dioleate, 0.4% (unless otherwise noted) polyoxyethylenenonylphenylether, 3 mM ATP, 3 mM MgCl2, 1.5 mM CaCl2, monoacylglycerol-specific lipase, glycerol kinase, glycerol-3-phosphate oxidase, 0.075% N,N-bis-(4-sulfobutyl)-3-methylaniline-2 Na, peroxidase, ascorbic acid oxidase. Reaction mixture R-2 contained 50 mM Tris-HCl (pH9.5), 0.15% 4-aminoantypirine. Automated assay for activity was performed with a Model 7080 Hitachi analyzer. In the lipase assay, 160 μl of R-1 was incubated at 37°C with 3 μl of samples for 5 min, and 80 μl of R-2 was added. Within-run coefficient of variations was 0.9-1.0%. Calibration curve of lipase activity was linear (r = 0.999) between 0 and 320 U/l. Analytical recoveries of purified HL added to plasma were 96.6-99.8%. HL activity in postheparin plasma measured in this method had a closer correlation with HL mass by a sandwich ELISA (r = 0.888, P , 0.0001) than those in the conventional method using [ 14C-]triolein (r = 0.730, P < 0.0001). This assay method for HL activity can be applied to an automatic clinical analyzer. Copyright © 2007 by the American Society for Biochemistry and Molecular Biology, Inc.
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| 2.
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Mabuchi, Hiroshi ; Higashikata, Toshinori ; Nohara, Atsushi ; Lu, Hong ; Yu, Wen Xin ; Nozue, Tsuyoshi ; Noji, Yoshihiro ; Katsuda, Shoji ; Kawashiri, Masa-aki ; Inazu, Akihiro ; Kobayashi, Junji ; Koizumi, Junji ; 馬渕, 宏 ; 野原, 淳 ; 川尻, 剛照 ; 稲津, 明広
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| 3.
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Mabuchi, Hiroshi ; Higashikata, Toshinori ; Kawashiri, Masa-aki ; Katsuda, Shoji ; Mizuno, Mihoko ; Nohara, Atsushi ; Inazu, Akihiro ; Koizumi, Junji ; Kobayashi, Junji ; 馬渕, 宏 ; 川尻, 剛照 ; 野原, 淳 ; 稲津, 明広 ; 小泉, 順二 ; 小林, 淳二
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| 4.
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Kobayashi, Junji ; Murano, Shunichi ; Kawamura, Isao ; Nakamura, Fumie ; Murase, Yuko ; Kawashiri, Masa-aki ; Nohara, Atsushi ; Asano, Akimichi ; Inazu, Akihiro ; Mabuchi, Hiroshi ; 小林, 淳二 ; 川尻, 剛照 ; 野原, 淳 ; 稲津, 明広 ; 馬渕, 宏
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| 5.
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Oka, Rie ; Kobayashi, Junji ; Miura, Katsuyuki ; Nagasawa, Shinya ; Moriuchi, Tadashi ; Hifumi, Senshu ; Miyamoto, Susumu ; Kawashiri, Masa-aki ; Nohara, Atsushi ; Inazu, Akihiro ; Takeda, Yoshiyu ; Mabuchi, Hiroshi ; Yagi, Kunimasa ; Yamagishi, Masakazu ; 小林, 淳二 ; 川尻, 剛照 ; 野原, 淳 ; 稲津, 明広 ; 武田, 仁勇 ; 馬渕, 宏 ; 八木, 邦公 ; 山岸, 正和
概要:
Aim: Postprandial hypertriglyceridemia is recognized as an independent risk factor for cardiovascular disease. The aim o
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f this study was to identify differences between fasting and postprandial TG levels, focusing on the influence of waist circumference. Methods: Subjects included 1,505 men and 798 women aged 3865 years who were not taking medications for diabetes or dyslipidemia. Fasting TG levels were measured after an overnight fast, and postprandial TG levels were measured 2 hours after a standardized rice-based lunch (total 740 kcal, 20 g fat, 30 g protein, and 110 g carbohydrates) in the afternoon on the same day. Results: Fasting and postprandial TG levels were highly correlated in both men (r=0.86, p<0.001) and women (r=0.84, p<0.001). Waist circumference was positively correlated with fasting TG (r=0.38 in men and r=0.36 in women) and postprandial TG (r=0.42 in men and r=0.45 in women), respectively. On multiple regression analyses, the association of waist circumference with postprandial TG was still significant (standardized β=0.10 in men and standardized β=0.15 in women, p<0.001) after the inclusion of HbA1c, age, high-density-lipoprotein (HDL)-cholesterol, alcohol consumption, and fasting TG in the regression model. Conclusion: Postprandial TG has a better relation with waist circumference than fasting TG.<br />出版者照会後に全文公開
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| 6.
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Tsuchida, Masayuki ; Kawashiri, Masa-aki ; Tada, Hayato ; Takata, Mutsuko ; Nohara, Atsushi ; Ino, Hidekazu ; Inazu, Akihiro ; Kobayashi, Junji ; Koizumi, Junji ; Mabuchi, Hiroshi ; Yamagishi, Masakazu ; 川尻, 剛照 ; 多田, 隼人 ; 野原, 淳 ; 井野, 秀一 ; 稲津, 明広 ; 小林, 淳二 ; 小泉 , 順二 ; 馬渕, 宏 ; 山岸, 正和
概要:
In 1982, a 49-year-old Japanese woman had been referred to our hospital for further investigation of her hypercholestero
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lemia. She was diagnosed as heterozygous familial hypercholesterolemia, because of Achilles tendon xanthoma and a family history of primary hypercholesterolemia. Three years later, she had chest pain on effort and angina pectoris was diagnosed by coronary angiography. At that time, she underwent coronary artery bypass grafting surgery with 2 saphenous vein grafts (SVG). Because more aggressive cholesterol-lowering therapy was needed for secondary prevention of coronary artery disease (CAD), weekly low-density lipoprotein (LDL) apheresis was started postoperatively, combined with drug therapy. Since 1986, her serum total cholesterol levels before and after LDL apheresis remained approximately 200 mg/dl and 90 mg/dl, respectively. Although her coronary sclerosis, including the SVG, did not progress appreciably for a period of 20 years, stenotic changes of the aortic valve developed rapidly at age 70, leading to aortic valve replacement surgery in 2005 at age 72. These findings suggest that careful attention to the progression of aortic valve stenosis is needed for extreme hypercholesterolemic patients even under optimal cholesterol-lowering therapy for the secondary prevention of CAD. (Circ J 2009; 73: 963 - 966)<br />出版者照会後に全文公開
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| 7.
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Tsuchida, Masayuki ; Kawashiri, Masa-aki ; Teramoto, Ryota ; Takata, Mutsuko ; Sakata, Kenji ; Omi, Wataru ; Okajima, Masaki ; Takamura, Masayuki ; Ino, Hidekazu ; Kita, Yoshihito ; Takegoshi, Tadayoshi ; Inaba, Hideo ; Yamagishi, Masakazu ; 川尻, 剛照 ; 寺本, 了太 ; 坂田, 憲治 ; 岡島, 正樹 ; 高村, 雅之 ; 井野, 秀一 ; 稲葉, 英夫 ; 山岸, 正和
概要:
Background: Although acute coronary syndrome (ACS) and stroke are known to increase after earthquake, few data exist reg
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arding the effect of earthquake on these cardiovascular events in rural areas. Methods and Results: The Noto Peninsula earthquake with a magnitude of 6.9 occurred at 9:45 a.m. on 25 March 2007. The first case of ACS occurred approximately 15 min later, whereas cerebral hemorrhage (CH) occurred 72 h after the onset of earthquake. During the 35 days after earthquake, among 49 patients who were attended by local ambulance, 5 patients with ACS (10.2%) and 8 with CH (16.3%) were documented and 4 died. The total number of both ACS and CH cases was greater than the averages for the same period of the past 3 years in this area (2.0 vs 5 and 2.3 vs 8, P<0.01). Interestingly, the most cases of ACS had occurred within 7 days after earthquake and for CH not until 35 days later. Conclusions: Even in rural areas a severe earthquake results in increased incidence of ACS and CH, which can occur at different times after the event, although the effects of other environmental factors should be further investigated. (Circ J 2009; 73: 1243-1247)<br />出版者照会後に全文公開
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| 8.
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論文
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Kobayashi, Junji ; Murase, Yuko ; Asano, Akimichi ; Nohara, Atsushi ; Kawashiri, Masa-aki ; Inazu, Akihiro ; Yamagishi, Masakazu ; Mabuchi, Hiroshi ; 小林, 淳二 ; 野原, 淳 ; 川尻, 剛照 ; 稲津, 明広 ; 山岸, 正和 ; 馬渕, 宏
概要:
Objective: To clarify the effects of walking with a pedometer on metabolic parameters, including adiponectin (APN). Meth
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ods: We recruited 44 male Japanese volunteers (age, 37 ± 9 yrs; body mass index (BMI), 24.2 ± 2.9 kg/m2; fasting plasma glucose (FPG), 96 ± 11 mg/dL; total cholesterol (TC) 190 ± 26 mg/dL; triglycerides (TG) 119 ± 80 mg/dL; HDL-C56 ± 14 mg/dL). Subjects were instructed to walk with a pedometer and record the number of steps they walked every day for 50 days. Serum adiponectin (APN) levels were measured by enzyme immunoassay. Treatment effects were examined by Wilcoxon's rank test. Results: The average number of steps was 8211 ± 2084 per day. There were significant reductions in BMI, sBP, TG and TNF-α levels after 50 days, but no changes in adiponectin levels. We then divided the subjects into 2 groups according to the steps walked per day, namely, more than 8000 steps (MT group, n=22) and less than 8000 steps (LT group, n=22) and found that the reduction in TG and BP was observed only in the MT group. Conclusions: Walking with a pedometer is effective for improving metabolic parameters, such as TG and blood pressure, but is not sufficient to increase adiponectin levels in Japanese men.<br />出版者照会後に全文公開
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| 9.
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論文
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Nozue, Tsuyoshi ; Kawashiri, Masa-aki ; Higashikata, Toshinori ; Nohara, Atsushi ; Inazu, Akihiro ; Kobayashi, Junji ; Koizumi, Junji ; Yamagishi, Masakazu ; Mabuchi, Hiroshi ; 川尻, 剛照 ; 野原, 淳 ; 稲津, 明広 ; 小林, 淳二 ; 小泉, 順二 ; 山岸, 正和 ; 馬渕, 宏
概要:
We retrospectively evaluated the frequency and identified the factors associated with the development of aortic stenosis
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(AS) in 96 patients with heterozygous familial hypercholesterolemia (FH). The frequency of AS was 31% (4/13) and that of critical stenosis was 15% (2/13) in older patients over the age of 70 years. All 4 patients with AS were female aged more than 70 years who were diagnosed with FH when aged more than 60 years. There were no significant differences in conventional coronary risk factors; however, the age at cardiac catheterization, age at diagnosis of FH and the cholesterol-years score (CYS) with AS were significantly higher than those without AS (p=0.006, p=0.017, p=0.021, respectively). In multiple regression analysis, CYS was a significant independent predictor for the development of AS (p=0.037) in 13 older patients over the age of 70 years. These results suggest that physicians should be aware that AS needs attention in older patients with heterozygous FH, especially women who have been diagnosed late in life and those who have been inadequately treated.<br />出版者照会後に全文公開
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| 10.
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Kawashiri, Masaaki ; Ellen, Pure ; Daniel, Rader ; 川尻, 剛照
概要:
Reduction of total and LDL cholesterol reduces atherosclerosis and clinical cardiovascular events. High density lipoprotein (HDL) cholesterol levels have a strong inverse association with atherosclerosis, and overexpression of
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apolipoprotein A-I (apoA-I), the major protein component of HDL, reduces atherosclerosis in hypercholesterolemic animals. However, little is known about the potential for additive or synergistic effects between cholesterol reduction and apoA-I overexpression on atherosclerosis. In the current study, we tested the hypothesis that significant reduction of plasma cholesterol combined with overexpression of apoA-I would reduce atherosclerosis to a greater extent than either one alone. We used somatic gene transfer of the LDL receptor (to induce cholesterol reduction) and apoA-I in LDL receptor deficient mice fed a Western type diet and compared the combination to expression of each gene alone and to controls. Atherosclerosis was quantitated using two independent methods, by en face analysis of the entire aorta and by cross-sectional analysis of the aortic root. Although the reduction of cholesterol was transient, expression of the LDL receptor alone significantly reduced atherosclerosis by 45% in the aorta and 44% in the aortic root compared with controls. Overexpression of human apoA-I alone reduced atherosclerosis by 42% in the aorta and 44% in the aortic root compared with controls. Co-expression of the LDL receptor with apoA-I resulted in significantly higher levels of apoA-I than expression of apoA-I alone. Although co-expression of the LDL receptor and apoA-I reduced atherosclerosis by 37% in the aorta and 32% in the aortic root compared with controls, the reduction in atherosclerosis was no different than that seen with expression of the LDL receptor alone or apoA-I alone. In summary, in this relatively short-term murine model, simultaneous reduction of cholesterol and expression of apoA-I was associated with higher levels of apoA-I than expression of apoA-I alone but did not result in greater reduction in atherosclerosis compared with either one alone.
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